I hate waiting for checked luggage to pop out of those carousels at the airport. Everyone is crowded around the conveyer belt, throwing ‘bows, and I’m always not breathing, as I’m absolutely convinced my bag has not appeared yet because the airline has lost it. There goes irreplaceable Prada. To avoid this horrendous scenario, I carry on whenever possible. The biggest hurdle to overcome in making that possible, is abiding by all those laws pertaining to liquid toiletries. Here’s my system…